/Engine/Plugins/Runtime/MassGameplay/Source/MassSpawner/Public/MassSpawner.h
void OnSpawnDataGenerationFinished ( TConstArrayView< [FMassEntitySpawnDataGeneratorResult](API\Plugins\MassSpawner\FMassEntitySpawnDataGeneratorRes-) > Results, [FMassSpawnDataGenerator](API\Plugins\MassSpawner\FMassSpawnDataGenerator) * FinishedGenerator )